What makes Flock bizarre is that it's a private business, and this is precisely how police departments are getting around a lot of traditional gates and checks on this sort of thing.
Police setting up a 1984 monitoring system throughout your city, tracking every car, person, activity -- yields lots of questions, oversight, concerns, debate, challenges, etc.
Some private business doing the same, and then letting the same police use it at will as a paying customer -- yay, all of the invasive monitoring with none of the oversight.
The real joke is that the 1984 system was already in place long before flock. We all carry phones. Either from tower records ot google advert tags, private industry already tracked our every movement. Licence plate readers? Why bother when every car now has bluetooth enabled and so is constantly prodcasting its LAP id. (Some cities have tracked cars this way for over a decade, mostly for traffic management.)
That's actually the one thing that does make sense: police has always wanted to be able to do this, but they legally can't. But they can reward a private company willing to do it for them, so that they can "ask for the data" without ever breaking the law.
“Fascism should rightly be called corporatism, as it is the merger of corporate and government power.”
- Benito Mussolini
And of course, it's compounded by being pooled. Like RealPage, ALPR services like Flock, Axon Fleet Hub, and Motorola Vigilant VehicleManager offer data laundering so that organizations that shouldn't be talking can communicate.
Privacy laws now.